CVE-2020-8428

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Jan 29, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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